<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
	
class Util
{
	function generatePassword($length = 8) 
	{
	    $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
	    $count = mb_strlen($chars);

	    for ($i = 0, $result = ''; $i < $length; $i++) {
	        $index = rand(0, $count - 1);
	        $result .= mb_substr($chars, $index, 1);
	    }

	    return $result;
	}
}